Kouki na Seijo ga Arawareta no de, Minashigo Agari no Seijo wa Iranaku Narimashita?

At the orphanage, Emilia has developed her power and has been awakened as a saintess. That's when she meets her crush from the novel she used to read in her previous life?! However, her crush, Prince Sion, was supposed to be married to the daughter of the duchess, Mystia… Still doubting her abilities and how the story will unfold, Emilia continues to grow closer to Prince Sion, only to encounter...

(Source: Pocket Comics)